Update readme and screenshot

README.md

@@ -1,6 +1,6 @@
 # Project Horus - Browser-Based HAB Chase Map
 
-**Note: This is a work-in-progress. Not all of the features below are functional.**
+**Note: This is a work-in-progress. Features may be incomplete or non-functional!**
 
 This folder contains code to display payload (and chase car!) position data in a web browser:
 
@@ -13,20 +13,27 @@ You also need flask, and flask-socketio, which can be installed using pip:
 $ sudo pip install flask flask-socketio
 ```
 
+You can then clone this repository with:
+```
+$ git clone https://github.com/projecthorus/chasemapper.git
+```
+
 ## Configuration & Startup
-Many settings are defined in horusmapper.cfg configuration file.
+Many settings are defined in the horusmapper.cfg configuration file.
 Create a copy of the example config file using
 ```
 $ cp horusmapper.cfg.example horusmapper.cfg
 ```
-Edit this file with your preferred text editor. The config file contains descriptions of each setting.
+Edit this file with your preferred text editor. The configuration file is fairly descriptive - you will need to set:
+ * At least one telemetry 'profile', which defines where payload and (optionally) car position telemetry data is sourced from.
+ * A default latitude and longitude for the map to centre on.
 
 You can then start-up the horusmapper server with:
 ```
 $ python horusmapper.py
 ```
 
-The server can be stopped with CTRL+C.
+The server can be stopped with CTRL+C. Somes the server doesn't stop cleanly and may the process may need to be killed. (Sorry!)
 
 
 ## Live Predictions
@@ -36,6 +43,8 @@ To do this you need cusf_predictor_wrapper and it's dependencies installed. Refe
 
 Once compiled and installed, you will need to: 
  * Copy the 'pred' binary into this directory. If using the Windows build, this will be `pred.exe`; under Linux/OSX, just `pred`.
- * [Download wind data](https://github.com/darksidelemm/cusf_predictor_wrapper/#3-getting-wind-data) for your area of interest, and place the .dat files into the gfs subdirectory. 
+ * Copy the 'get_wind_data.py' script from cusf_predictor_wrapper/apps into this directory.
 
-Modify the horusmapper.cfg Predictor section settings as necessary to reflect the gfs and predictor binary locations, and set `[predictor] predictor_enabled = True`
+You will then need to modify the horusmapper.cfg Predictor section setting as necessary to reflect the predictory binary location, the appropriate model_download command, and set `[predictor] predictor_enabled = True`
+
+You can then click 'Download Model' in the web interface's setting tab to trigger a download of the latest GFS model data. Predictions will start automatically once a valid model is available.